package com.allwayz.service.impl;

import com.allwayz.service.MessageProvider;
import lombok.extern.slf4j.Slf4j;
import org.springframework.cloud.stream.annotation.EnableBinding;
import org.springframework.cloud.stream.messaging.Source;
import org.springframework.integration.support.MessageBuilder;
import org.springframework.messaging.MessageChannel;

import javax.annotation.Resource;
import java.util.UUID;

/**
 * <code>@EnableBinding</code>: 定义消息的推送管道
 *
 *
 * @author allwayz
 */
@EnableBinding({Source.class})
@Slf4j
public class MessageProviderImpl implements MessageProvider {

    @Resource
    private MessageChannel output;

    @Override
    public String send() {
        String serial = UUID.randomUUID().toString();
        output.send(MessageBuilder.withPayload(serial).build());
        log.info("---serial: {}---",serial);
        return null;
    }
}
